Home / 20,727.50-31,090.41-5,935.82

Finding the Fourth Proportional to 20,727.50, 31,090.41 and 5,935.82

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Solution

The fourth proportional to 20,727.50, 31,090.41 and 5,935.82 is: 8,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727.50 : 31,090.41 = 5,935.82 : x
  2. Step 2: Convert to fraction form
    20,727.50/31,090.41 = 5,935.82/x
  3. Step 3: Cross multiply
    20,727.50x = 31,090.41 × 5,935.82
  4. Step 4: Simplify right side
    20,727.50x = 184,547,077.49
  5. Step 5: Solve for x
    x = 184,547,077.49/20,727.50
  6. Step 6: Final answer
    x = 8,903.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.